Medical Decission Making (MDM) is basd on the complexity of the decision the physician must make about the patient's diagnosis and care.
Complexity of decision making is based on 3 elements:
1. Number of diagnoses or management options. The options can be minimal, limited, multiple, or extensive
2. Amount or complexity of data to review. the data can be minimal or none, limited, moderate, or extensive
3. Risk of complication or death if the condition goes untreated. Risk can be minimal, low, or high